WASHINGTON — Rick Santorum wants to ensure the GOP's policy platform represents conservatives' interests. Newt Gingrich wants help retiring his campaign debt and repairing his reputation.Both Republicans are expected to endorse their former rival Mitt Romney — and signal to their backers to fall in line behind the party's presumptive nominee — but each wants assurances that Romney will deliver for them. Neither is rushing toward the task.Meanwhile, it doesn't appear that Rep. Ron Paul of Texas is going to go that way. Paul is still in the race and hasn't yet recognized Romney as the party's nominee. The tea...

Newt Gingrich has turned his sights on Rick Santorum in a new robocall going out to Oklahoma and Tennessee voters, bashing the former Pennsylvania senator as having “cozied up to the labor union bosses.” The ad will reach 150,000 voters in each of the states, according to ABC News. “On the campaign trail, Rick Santorum talks a good game about his blue-collar roots, and about being for the average family,” a female narrator says. “But here’s the record Rick Santorum doesn’t want you to know about: As a senator from Pennsylvania, Santorum cozied up to the labor union bosses, and...